if (specificationTitle == null) { specificationTitle = mainAttributes.getValue(Name.SPECIFICATION_TITLE); } if (specificationVendor == null) { specificationVendor = mainAttributes.getValue(Name.SPECIFICATION_VENDOR); } if (specificationVersion == null) { specificationVersion = mainAttributes.getValue(Name.SPECIFICATION_VERSION); }
if (implementationVendor == null) { implementationVendor = mainAttributes.getValue(Name.IMPLEMENTATION_VENDOR); } if (implementationVersion == null) { implementationVersion = mainAttributes.getValue(Name.IMPLEMENTATION_VERSION); } if (sealedString == null) { sealedString = mainAttributes.getValue(Name.SEALED); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/AntClassLoader.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/AntClassLoader.java
Method name: void definePackage(File, String, Manifest) Method name: void definePackage(File, String, Manifest)
Number of AST nodes: 6 Number of AST nodes: 6
1
if (specificationTitle == null) {
1
if (implementationVendor == null) {
2
                specificationTitle
2
                implementationVendor
3
                    = mainAttributes.getValue(Name.SPECIFICATION_TITLE);
3
                    = mainAttributes.getValue(Name.IMPLEMENTATION_VENDOR);
4
            }
4
            }
5
            if (specificationVendor == null) {
5
            if (implementationVersion == null) {
6
                specificationVendor
6
                implementationVersion
7
                    = mainAttributes.getValue(Name.SPECIFICATION_VENDOR);
7
                    = mainAttributes.getValue(Name.IMPLEMENTATION_VERSION);
8
            }
8
            }
9
            if (specificationVersion == null) {
9
            if (sealedString == null) {
10
                specificationVersion
10
                sealedString
11
                    = mainAttributes.getValue(Name.SPECIFICATION_VERSION);
11
                    = mainAttributes.getValue(Name.SEALED);
12
            }
12
            }
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.6
Clones locationClones are in the same method
Number of node comparisons28
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements6
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)6.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    21
    if (specificationTitle == null)
    21
    if (specificationTitle == null)
    29
    if (implementationVendor == null)
    Differences
    Expression1Expression2Difference
    specificationTitleimplementationVendorVARIABLE_NAME_MISMATCH
    29
    if (implementationVendor == null)
    22
    specificationTitle = mainAttributes.getValue(Name.SPECIFICATION_TITLE);
    22
    specificationTitle = mainAttributes.getValue(Name.SPECIFICATION_TITLE);
    30
    implementationVendor = mainAttributes.getValue(Name.IMPLEMENTATION_VENDOR);
    Differences
    Expression1Expression2Difference
    specificationTitleimplementationVendorVARIABLE_NAME_MISMATCH
    SPECIFICATION_TITLEIMPLEMENTATION_VENDORVARIABLE_NAME_MISMATCH
    30
    implementationVendor = mainAttributes.getValue(Name.IMPLEMENTATION_VENDOR);
    23
    if (specificationVendor == null)
    23
    if (specificationVendor == null)
    31
    if (implementationVersion == null)
    Differences
    Expression1Expression2Difference
    specificationVendorimplementationVersionVARIABLE_NAME_MISMATCH
    31
    if (implementationVersion == null)
    24
    specificationVendor = mainAttributes.getValue(Name.SPECIFICATION_VENDOR);
    24
    specificationVendor = mainAttributes.getValue(Name.SPECIFICATION_VENDOR);
    32
    implementationVersion = mainAttributes.getValue(Name.IMPLEMENTATION_VERSION);
    Differences
    Expression1Expression2Difference
    specificationVendorimplementationVersionVARIABLE_NAME_MISMATCH
    SPECIFICATION_VENDORIMPLEMENTATION_VERSIONVARIABLE_NAME_MISMATCH
    32
    implementationVersion = mainAttributes.getValue(Name.IMPLEMENTATION_VERSION);
    25
    if (specificationVersion == null)
    25
    if (specificationVersion == null)
    33
    if (sealedString == null)
    Differences
    Expression1Expression2Difference
    specificationVersionsealedStringVARIABLE_NAME_MISMATCH
    33
    if (sealedString == null)
    26
    specificationVersion = mainAttributes.getValue(Name.SPECIFICATION_VERSION);
    26
    specificationVersion = mainAttributes.getValue(Name.SPECIFICATION_VERSION);
    34
    sealedString = mainAttributes.getValue(Name.SEALED);
    Differences
    Expression1Expression2Difference
    specificationVersionsealedStringVARIABLE_NAME_MISMATCH
    SPECIFICATION_VERSIONSEALEDVARIABLE_NAME_MISMATCH
    34
    sealedString = mainAttributes.getValue(Name.SEALED);
    Precondition Violations (1)
    Row Violation
    1Clone fragment #1 returns variables specificationTitle, specificationVendor, specificationVersion , while Clone fragment #2 returns variables sealedString, implementationVendor, implementationVersion